Koss PRO 4AA

1970 - Koss set the standard for full-size professional headphones with the iconic Pro/4AA LEGENDARY SOUND - The first dynamic headphones to deliver true full frequency and high fidelity performance ICONIC DESIGN – One of the most recognizable headphones around the world NOISE ISOLATING – Over ear design with superior noise isolation COIL CORD... more– Compact 8 ft coiled cord with 6.3mm (1/4 in) plug HIGH FIDELITY AUDIO – 250 ohms / 10-25,000

Drawing on a rich legacy of audio engineering, the Koss Pro4AA headphones represent a timeless benchmark in professional sound reproduction. First introduced in 1970 as groundbreaking dynamic headphones, these full-size professional models have earned an enduring reputation among radio and recording industry professionals for their exceptional soun... mored isolation and high-fidelity performance.?Delivering a remarkable frequency response ranging from 10 to 25,000 Hz and boasting an impressive 95dB sound pressure level tolerance, the Pro4AAs create an immersive listening experience that captures every nuanced detail.?After a brief retirement in the late '80s, these headphones were quickly reintroduced due to overwhelming demand, a testament to their unparalleled quality and the loyalty of sound professionals and audiophiles who recognize their superior acoustic capabilities.?With a robust 250-ohm impedance, minimal distortion (less than 0.1%), and a convenient 8-foot coiled, single-entry cable, the Koss Pro4AA headphones continue to set the standard for professional audio equipment, offering listeners an authentic and electrifying connection to their music.Koss PRO4AA Features:Noise isolating professional studio headphonesThe first dynamic headphones to deliver true full frequency, high fidelity performanceStandard-setting design incorporates performance-enhancing technologySuperior isolation, accurate sound reproduction and the excitement of a live performance with every recordingDurable steel and generously padded rubber headbandAdjustable slide bars ensure snug fit8ft coiled cord with 6.3 mm (1/4") plugKoss PRO4AA Specifications:Frequency Response: 10 Hz - 25kHzImpedance: 250 ohmsSensitivity: 95dB SPL/1mWCord: Coiled, Single Entry, 8ft Koss PRO/4AA PRO4AA.